﻿<!DOCTYPE html>
<html>
  <head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/>
	<meta http-equiv="X-UA-Compatible" content="IE=EmulateIE9"/>
	<title>jTopo Demo</title>
	<meta name="description" content="jTopo免费的基于HTML5 Canvas的网络拓扑、关系图形库">
	<meta name="keyword" content="jTopo 网络 拓扑 图形库 HTML5 Canvas 免费 关系图形库 javascript topology">	

	<link rel="stylesheet" type="text/css" href="../css/base.css">
	<link href="../css/jquery.snippet.min.css" rel="stylesheet">
	
	<script src="../js/jquery.js"></script>
	<script src="../js/site.js"></script>
	<script src="../js/demo.js"></script>
	
	<script type="text/javascript" src="js/snippet/jquery.snippet.min.js"></script>
	
	<script type="text/javascript" src="js/jtopo-min.js"></script>
	<script type="text/javascript" src="js/toolbar.js"></script>
	
	<script id='code'>
		var s = null;
		$(document).ready(function(){
			var canvas = document.getElementById('canvas');			
			var stage = new JTopo.Stage(canvas);
			//显示工具栏
			showJTopoToobar(stage);

			stage.hasAnimate = false;			

			var scene = new JTopo.Scene();
			scene.background = './img/bg.jpg';
			scene.mode = 'drag';
			s = scene;
			scene.shadow = false;

			function MyNode(name){
				this.name = name;
			}
			MyNode.prototype = new JTopo.Node();
			
			for(var i=0; i<1000; i++){
				var node = new MyNode("NOde_" + i);
				node.setLocation(Math.random()*1000, Math.random()*1000);				
				scene.add(node);
			}
							
			scene.addEventListener("keyup", function(e){				
				if(e.which == 187){ // +
					scene.scaleX += 0.2;
					scene.scaleY += 0.2;				
				}else if(e.which == 189){ // -
					scene.scaleX -= 0.2;
					scene.scaleY -= 0.2;
				}
				//scene.repaint();
			});
			stage.add(scene);			
		});
		
		function zoomIn(){
			s.scaleX -= 0.2;
			s.scaleY -= 0.2;			
		}
		function zoomOut(){
			s.scaleX += 0.2;
			s.scaleY += 0.2;
		}
	</script>
  </head>

  <body>

	<center>
	<div class="wrap_div">
		<div class="head_nav">
			<h2 class="logo"><a href="index.html" title="jTopo">jTopo</a></h2>
		</div>		
		<div class="head_nav_second">			
			<ul class="menu" id="nav_menu">
			
			</ul>
		</div>
		<div class="content">
		  <div class="left">
			<ul id="menu">
			
			</ul>
		  </div>
		  <div class="right">
				<input type="button" onclick="zoomIn()" value="缩小"/>
				<input type="button" onclick="zoomOut()" value="放大"/>
				<div id="content">					<canvas width="850" height="550" id="canvas"></canvas>	
									
				</div>
		  </div>
		  <div class="clear"></div>
		</div>
	</div>
	</center>
	<div class="footer">
		&nbsp;
	</div>

  
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</body>

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